Finding the Fourth Proportional to 70,667.18, 106,004.46 and 18,077.12

Step by Step Solution

1. Step 1: Write the proportion equation
   70,667.18 : 106,004.46 = 18,077.12 : x
2. Step 2: Convert to fraction form
   70,667.18/106,004.46 = 18,077.12/x
3. Step 3: Cross multiply
   70,667.18x = 106,004.46 × 18,077.12
4. Step 4: Simplify right side
   70,667.18x = 1,916,255,343.96
5. Step 5: Solve for x
   x = 1,916,255,343.96/70,667.18
6. Step 6: Final answer
   x = 27,116.62